Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E46 Engine Parts & Accessories

Sort By
Filter By
Return to Top

E46 M3 High Performance Aluminum Radiator

ES#2992660 - 7058 - E46 M3 High Performance Aluminum Radiator - Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. - CSF - BMW

Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
2992660
Mfg#:
7058
In Stock
$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance M Series Ignition Coil - Priced Each

ES#4708456 - 12137599219T - Turner Performance M Series Ignition Coil - Priced Each - Performance ignition coils modified specifically for your M Series engine to increase efficiency and output! - Turner Motorsport - BMW

Performance ignition coils modified specifically for your M Series engine to increase efficiency and output! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4708456
Mfg#:
12137599219T
In Stock
ON SALE! SAVE 10%
$37.99

This product was last offered at the strikethrough price on
06-24-2026

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Starter Motor

ES#2973178 - 12412354693 - New Starter Motor - Bosch part number SR0448N - New starter with no core charge! - Bosch - BMW
ECS Tuning recommends this product.

Bosch part number SR0448N - New starter with no core charge! We Price Match - Give Us A Call or Chat! For M54 Engine

Brand:
Bosch - Corporate Logo
ES#:
2973178
Mfg#:
12412354693
In Stock
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Stud Kit

ES#2575219 - 201-4302 - Cylinder Head Stud Kit - High strength stud conversion for factory replacement or a full race motor - ARP - BMW

High strength stud conversion for factory replacement or a full race motor

Brand:
ARP - Corporate Logo
ES#:
2575219
Mfg#:
201-4302
In Stock
19% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$295.92

This product was last offered at the strikethrough price on
09-25-2026

$240.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2550226 - 12137594937 - Ignition Coil - Priced Each - Give your engine a new spark - Bosch - BMW
ECS Tuning recommends this product.

Give your engine a new spark We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/2002

Brand:
Bosch - Corporate Logo
ES#:
2550226
Mfg#:
12137594937
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Aluminum Water Pump Pulley - Black

ES#2855687 - 001977ECS03A - ECS Aluminum Water Pump Pulley - Black - Finally, a durable, attractive water pump pulley that won't break! - ECS - BMW

Finally, a durable, attractive water pump pulley that won't break! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$99.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M-Series Performance Ignition Coil - Black

ES#4456860 - D650-0005 - M-Series Performance Ignition Coil - Black - A direct plug-and-play upgrade with up to 10% more energy output than stock! - Dinan - BMW

A direct plug-and-play upgrade with up to 10% more energy output than stock! Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4456860
Mfg#:
D650-0005
In Stock
13% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$39.99

This product was last offered at the strikethrough price on
09-25-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (M12x1.5)

ES#251839 - 002201ECS01A - Magnetic Oil Drain Plug - Priced Each (M12x1.5) - Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer - ECS - BMW MINI

Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
251839
Mfg#:
002201ECS01A
In Stock
ON SALE! SAVE 25%
$38.99

This product was last offered at the strikethrough price on
06-13-2026

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - 75A Durometer (Pair)

ES#4375397 - 1181228379812KT - Engine Mount - 75A Durometer (Pair) - Keep your engine securely mounted with our solid, non-fluid filled mounts. Can be sold individually (ES4335401) - ECS - BMW

Keep your engine securely mounted with our solid, non-fluid filled mounts. Can be sold individually (ES4335401) 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4375397
Mfg#:
1181228379812KT
In Stock
ON SALE! SAVE 25%
$197.99

This product was last offered at the strikethrough price on
06-13-2026

$148.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

ES#3557895 - 16146766942 - Fuel Pump Assembly - Replace your weak factory pump with this new unit - Bremmen Parts - BMW
ECS Tuning recommends this product.

Replace your weak factory pump with this new unit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3557895
Mfg#:
16146766942
In Stock
ON SALE! SAVE 20%
$145.99

This product was last offered at the strikethrough price on
05-02-2026

$116.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT Billet BMW Crankcase Breather - Two Prong

ES#3617923 - VTT-CRANK-BREATH - VTT Billet BMW Crankcase Breather - Two Prong - A first for many modern BMWs - Vargas Turbo Technologies - BMW

A first for many modern BMWs 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3617923
Mfg#:
VTT-CRANK-BREATH
In Stock
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52 M54 Silicone Radiator Hose Kit (Connectors included)

ES#4315269 - 006205LA09 - M52 M54 Silicone Radiator Hose Kit (Connectors included) - Retains OEM fitment with superior looks and durability. Connectors included! - ECS - BMW

Retains OEM fitment with superior looks and durability. Connectors included! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4315269
Mfg#:
006205LA09
In Stock
ON SALE! SAVE 25%
$198.99

This product was last offered at the strikethrough price on
06-13-2026

$149.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Cooling System Hose Kit

ES#2597228 - 11531436408KT1 - Complete Cooling System Hose Kit - A complete hose kit including coolant - Assembled By ECS - BMW

A complete hose kit including coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597228
Mfg#:
11531436408KT1
Ships on Oct 20, 2026
ON SALE!
$285.99

This product was last offered at the strikethrough price on
06-16-2026

$259.51 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Separator Kit - Level 1

ES#4349927 - 11617501566S1 - Oil Separator Kit - Level 1 - The most commonly replaced components in your breather system - Bremmen Parts - BMW

The most commonly replaced components in your breather system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4349927
Mfg#:
11617501566S1
Ships on Oct 13, 2026
ON SALE! SAVE 15%
$95.99

This product was last offered at the strikethrough price on
05-02-2026

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Silicone Intake Boot - E39/E46 M54 3.0 - Black

ES#4265937 - 007927LA01-02 - Turner Motorsport Silicone Intake Boot - E39/E46 M54 3.0 - Black - Improved Air Flow and Durability! Also available in blue (ES4265935) - Turner Motorsport - BMW

Improved Air Flow and Durability! Also available in blue (ES4265935) 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4265937
Mfg#:
007927LA01-02
In Stock
ON SALE! SAVE 25%
$201.99

This product was last offered at the strikethrough price on
06-13-2026

$151.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M-Series Performance Ignition Coil - Red

ES#4456861 - D650-0006 - M-Series Performance Ignition Coil - Red - A direct plug-and-play upgrade with up to 10% more energy output than stock! - Dinan - BMW

A direct plug-and-play upgrade with up to 10% more energy output than stock! Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4456861
Mfg#:
D650-0006
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$39.99

This product was last offered at the strikethrough price on
09-25-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings